18358134 has 16 divisors (see below), whose sum is σ = 37265088. Its totient is φ = 6027912.

The previous prime is 18358129. The next prime is 18358139. The reversal of 18358134 is 43185381.

It is an interprime number because it is at equal distance from previous prime (18358129) and next prime (18358139).

It is a junction number, because it is equal to n+sod(n) for n = 18358095 and 18358104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18358139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22432 + ... + 23235.

It is an arithmetic number, because the mean of its divisors is an integer number (2329068).

Almost surely, 2^18358134 is an apocalyptic number.

18358134 is an abundant number, since it is smaller than the sum of its proper divisors (18906954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18358134 is a wasteful number, since it uses less digits than its factorization.

18358134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45739.

The product of its digits is 11520, while the sum is 33.

The square root of 18358134 is about 4284.6393080398. The cubic root of 18358134 is about 263.8008426801.

The spelling of 18358134 in words is "eighteen million, three hundred fifty-eight thousand, one hundred thirty-four".